Robotic cleaner



FIG. 1 is a front perspective view of our wireless robotic window cleaner;

FIG. 2 is the top view thereof;

FIG. 3 is the right side view thereof;

FIG. 4 is the left side view thereof;

FIG. 5 is the front view thereof; and,

FIG. 6 is the rear view thereof. 

CLAIM The ornamental design for a robotic cleaner, as shown and described. 